UrgentDiagnostic guide
Fryer not heating or pilot will not light
A cold fryer is half the menu off the line. Most failures trace to the pilot, thermopile, or high-limit reset.
01 / 04Likely causes
What is usually
behind it.
The shortlist of root causes we find on this call. The truck is stocked for most of these.
- 01Pilot or igniter failed
- 02Thermopile or thermocouple weak
- 03High-limit safety tripped
- 04Gas valve failed or solenoid stuck closed
- 05Thermostat reading off
- 06Gas pressure low at the manifold
02 / 04Right now
Do this while you wait.
Steps that can save product, prevent damage, and shorten the repair once we are on site.
Do this
- Confirm the gas shutoff is on
- Check whether the high-limit reset has tripped
- Allow the oil to cool before any inspection
Do not do this
- Do not bypass the high-limit
- Do not relight repeatedly with hot oil in the pot
03 / 04On the truck
What our tech will check.
The diagnostic flow we run on this call. Most are resolved on the first visit.
- 01Test gas pressure at the manifold
- 02Replace pilot, thermopile, or igniter assemblies
- 03Verify thermostat calibration
- 04Inspect the gas valve and high-limit
Fast dispatch
Most calls see a tech in under two hours.
First-visit fix
Common parts on every truck.
Documented
Photos and notes attached to your ticket.
04 / 04Related service
This sits under
our kitchen line service.
Ovens, ranges, fryers, char-broilers, and the rest of the cook line — diagnosed and repaired so you do not 86 the menu mid-service.
Related problems
Might also be one of these.
Other failures with similar symptoms or in the same trade.
Service request